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[Qemu-devel] [4294] FDC: Fix data transfer len (Herv?\195?\169 Poussinea
From: |
Blue Swirl |
Subject: |
[Qemu-devel] [4294] FDC: Fix data transfer len (Herv?\195?\169 Poussineau) |
Date: |
Thu, 01 May 2008 19:05:13 +0000 |
Revision: 4294
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4294
Author: blueswir1
Date: 2008-05-01 19:05:12 +0000 (Thu, 01 May 2008)
Log Message:
-----------
FDC: Fix data transfer len (Herv?\195?\169 Poussineau)
In floppy controller, transfer data len is not correctly calculated.
We should read up to the last sector specified by the caller, and not up to
the last sector of the floppy.
Modified Paths:
--------------
trunk/hw/fdc.c
Modified: trunk/hw/fdc.c
===================================================================
--- trunk/hw/fdc.c 2008-05-01 19:03:31 UTC (rev 4293)
+++ trunk/hw/fdc.c 2008-05-01 19:05:12 UTC (rev 4294)
@@ -1137,9 +1137,9 @@
} else {
int tmp;
fdctrl->data_len = 128 << (fdctrl->fifo[5] > 7 ? 7 : fdctrl->fifo[5]);
- tmp = (cur_drv->last_sect - ks + 1);
+ tmp = (fdctrl->fifo[6] - ks + 1);
if (fdctrl->fifo[0] & 0x80)
- tmp += cur_drv->last_sect;
+ tmp += fdctrl->fifo[6];
fdctrl->data_len *= tmp;
}
fdctrl->eot = fdctrl->fifo[6];
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